Meaning and name origin
Ethelbert \e-thelbe-rt, eth(el)-bert\ as a boy's name is of Old English origin, and the meaning of Ethelbert is "noble, bright". The original form Aethelbert or Aethelbeorht, formed from aethel meaning "noble" and berht meaning "bright, famous", and thus the Old English equivalent of Albert. The name of three Anglo-Saxon kings, two of whom became saints: Saint Ethelbert of Kent whom Saint Augustine converted to Christianity, and Saint Ethelbert of the East Angles to whom Hereford Cathedral is dedicated.
For more information, see also the related boy name Elbert.
There is 1 feminine form of Ethelbert: Ethelberta.
Ethelbert is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Ethelbert and its variant forms. Popular variation forms ranked in the Top 1000/100 are Albert (#436), Elbert, Bert and Bertie. (2014 statistics).